191 



shown in Figure 3. Most of the rays were 5-lobed ; some 4- 

 and 6-lobed. Ordinarily the ray-flowers of this species have 

 neither stamens nor pistils, but some of the tubular ray-flowers 

 examined had both sets of organs well developed. 



Ray-flowers of Gaillardia aristata. 



Professor E. A. Kenyon, of Florence, Colo., reports having 

 found similar individuals of this species near Eldora, Colo. 



W. W. ROBBINS. 

 University of Colorado, 

 Boulder, Colo. 



Mycological Notes from Indiana — i. Peroiiospora Floerkeae 

 Kellerm. 



On the 28th of May a locality near Carmel, Hamilton Co., 

 from which Floerkea had been collected in previous years was 

 visited in hopes of finding this fungus. Although the season for 

 the host was well-nigh past, careful search revealed a few plants 

 which were infested. The material contained no conidia and but 

 few oospores, hence no cultural experiments could be undertaken 

 to determine the true systematic position of this interesting species. 

 In the original description the statement is made that " the host 

 plants are dwarfed by the parasite though not distorted, and usually 

 the entire plant harbors the fungus — all parts of the stem and 

 leaves being evenly, though in the main rather sparsely covered 

 by the conspicuous conidiophores. . . . Later infection is often 

 restricted to the lower leaves of vig-orous hosts but such cases 



